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Natural Untreated Gemstones

Discover genuine untreated gemstones selected for natural beauty, rarity, and authenticity.

Natural Untreated Gemstones Weight
Natural Untreated Gemstones Size
Natural Untreated Gemstones Clarity
Natural Untreated Gemstones Price
Natural Untreated Gemstones Treatment

Size Explained

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For Example: 6-7
For Example: 8-9
Bi-color Natural Untreated Gemstones
Black Natural Untreated Gemstones
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Golden Natural Untreated Gemstones
Gray Natural Untreated Gemstones
Green Natural Untreated Gemstones
Multicolor Natural Untreated Gemstones
Orange Natural Untreated Gemstones
Pink Natural Untreated Gemstones
Purple Natural Untreated Gemstones
Red Natural Untreated Gemstones
Turquoise Natural Untreated Gemstones
Violet Natural Untreated Gemstones
White Natural Untreated Gemstones
Yellow Natural Untreated Gemstones
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1.14Ct Deep Violet Spinel, Oval, Vs

1.14Ct Deep Violet Spinel, Oval, Vs

7.1 x 5.4 mm

$ 154.37

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2.15Ct Light Golden-Yellow Beryl, Oval, Vvs

2.15Ct Light Golden-Yellow Beryl, Oval, Vvs

10 x 8 mm (calibrated)

$ 51.60

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5.95Ct Medium Pink Morganite, Oval, Transparent
Morganite Product Video (655371)

5.95Ct Medium Pink Morganite, Oval, Transparent

12.6 x 10 mm

$ 78.54

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1.69Ct Light Gold Beryl, Cushion, Vs

1.69Ct Light Gold Beryl, Cushion, Vs

9 x 7 mm (calibrated)

$ 44.62

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0.87Ct Light Purple Spinel, Cushion, Vs

0.87Ct Light Purple Spinel, Cushion, Vs

6.1 x 5.5 mm

$ 57.42

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0.50Ct Very Light Purple Spinel, Round, Vs

0.50Ct Very Light Purple Spinel, Round, Vs

5 mm (calibrated)

$ 30.48

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6.25Ct Clear White Topaz, Cushion, Vs

6.25Ct Clear White Topaz, Cushion, Vs

12 x 10 mm (calibrated)

$ 50.00

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0.78Ct Light Golden Morganite, Cushion, Vs

0.78Ct Light Golden Morganite, Cushion, Vs

6 x 6 mm (calibrated)

$ 56.63

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0.67Ct Warm White Topaz, Oval, Vvs-Vs

0.67Ct Warm White Topaz, Oval, Vvs-Vs

6 x 4 mm (calibrated)

$ 5.63

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1.46Ct Medium Yellow Chrysoberyl, Marquise, Vvs-Vs
Chrysoberyl Product Video (366323)

1.46Ct Medium Yellow Chrysoberyl, Marquise, Vvs-Vs

11 x 4.9 mm

$ 186.47

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4.71Ctw Rose Pink Morganite, Round, Translucent

4.71Ctw Rose Pink Morganite, Round, Translucent

8 mm (calibrated)

$ 62.17

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4.45Ct Rose Pink Morganite, Pear Shape, Transparent

4.45Ct Rose Pink Morganite, Pear Shape, Transparent

14 x 10 mm (calibrated)

$ 58.74

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0.17Ctw H Diamond, Round, Vvs-Vs
Diamond Product Video (567443)

0.17Ctw H Diamond, Round, Vvs-Vs

2.8 mm (calibrated)

$ 366.16

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5.54Ct Light Pink Morganite, Oval, Transparent

5.54Ct Light Pink Morganite, Oval, Transparent

13 x 10.2 mm

$ 66.48

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0.64Ct Grey Spinel, Cushion, Vs

0.64Ct Grey Spinel, Cushion, Vs

5 x 5 mm (calibrated)

$ 22.98

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1.17Ct Deep Mauve Spinel, Cushion, Vs-Si

1.17Ct Deep Mauve Spinel, Cushion, Vs-Si

6.4 x 5.7 mm

$ 92.10

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6.58Ctw Black Spinel, Round, Opaque

6.58Ctw Black Spinel, Round, Opaque

9 mm (calibrated)

$ 30.40

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1.05Ct Medium Yellow Beryl, Trillion, Vvs

1.05Ct Medium Yellow Beryl, Trillion, Vvs

8 x 8 mm (calibrated)

$ 25.20

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1.45Ct Intense Pinkish Purple Sapphire, Cushion, Vs
Sapphire Product Video (448606)

1.45Ct Intense Pinkish Purple Sapphire, Cushion, Vs

7.5 x 6 mm

$ 922.55

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8.45Ct Medium Pink Morganite, Pear Shape, Translucent

8.45Ct Medium Pink Morganite, Pear Shape, Translucent

17 x 11.1 mm

$ 111.54

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2.68Ctw White Topaz, Cushion, Vvs-Vs

2.68Ctw White Topaz, Cushion, Vvs-Vs

4.5 x 4.5 mm

$ 17.69

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1.57Ct Light Gold Beryl, Oval, Vvs-Vs

1.57Ct Light Gold Beryl, Oval, Vvs-Vs

9 x 7 mm (calibrated)

$ 37.68

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0.03Ct D Diamond, Round, Vvs

0.03Ct D Diamond, Round, Vvs

2 mm (calibrated)

$ 82.50

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1.23Ct Grape Purple Spinel, Oval, Vvs-Vs

1.23Ct Grape Purple Spinel, Oval, Vvs-Vs

7.3 x 6 mm

$ 170.48

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Why Buy Natural Untreated Gemstones from GemSelect?

Why Choose Untreated Gemstones?

Untreated gemstones are valued for their natural color and clarity without artificial enhancement. Many buyers prefer these gems for authenticity, rarity, and long-term value.

Natural Loose Untreated Gems Online

Shop loose untreated gemstones online at GemSelect with confidence. Browse sapphires, rubies, spinels, aquamarine, garnet, tourmaline, and more with full disclosure.

Natural Untreated Gemstones for Jewelry and Collecting

Untreated Gemstones for Jewelry

Natural untreated gems are excellent for rings, earrings, pendants, and custom jewelry. Their original beauty makes every piece unique and meaningful.

Popular Untreated Gemstone Types

Popular choices include untreated sapphire, ruby, spinel, garnet, tourmaline, zircon, aquamarine, and many collector stones in a wide range of colors.

Certified Natural Gemstones

Many buyers choose untreated gemstones with gemological reports for added confidence. Certification can confirm identity and indicate whether treatments are present.

Collector Quality Untreated Gems

Collectors appreciate untreated gemstones because naturally fine examples are rarer than treated material. These stones can be especially desirable when color and clarity are strong.

Calibrated Untreated Gemstones

We also offer calibrated untreated gemstones in popular sizes suitable for standard jewelry settings, making custom designs easier and faster.

Worldwide Shipping from GemSelect

GemSelect offers secure online ordering, detailed product images, and worldwide delivery so you can shop untreated gemstones from anywhere.

Learn more about gemstone treatments, identification, and care on our Gemstone Information Pages.

FAQs

What does untreated gemstone mean?

An untreated gemstone has not undergone enhancement processes such as heating, dyeing, filling, coating, or diffusion to improve appearance.

Are untreated gemstones more valuable?

Often yes, especially in sapphire, ruby, and other premium gems where fine untreated stones are rarer than treated examples.

How can I verify a gemstone is untreated?

Independent laboratory certification is the best way to verify whether a gemstone is natural and untreated.

Which gemstones are commonly sold untreated?

Spinel, garnet, zircon, tourmaline, aquamarine, and some sapphires or rubies are often available untreated depending on source and quality.

Are all untreated gemstones natural?

Natural untreated gemstones are mined stones that have not been enhanced after cutting. Always buy from trusted sellers with clear disclosure.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My whole experience is great.

Posted By Ghs in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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